40177881250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{494497}}^1$

素因数の和:494537

約数の個数: 48

約数和(自身を含む): 81123385896

約数和(自身を除く): 40945504646

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3125, 3250, 6250, 8125, 16250, 40625, 81250, 494497, 988994, 2472485, 4944970, 6428461, 12362425, 12856922, 24724850, 32142305, 61812125, 64284610, 123624250, 160711525, 309060625, 321423050, 618121250, 803557625, 1545303125, 1607115250, 3090606250, 4017788125, 8035576250, 20088940625, 40177881250]

約数ペア:

[(1, 40177881250), (2, 20088940625), (5, 8035576250), (10, 4017788125), (13, 3090606250), (25, 1607115250), (26, 1545303125), (50, 803557625), (65, 618121250), (125, 321423050), (130, 309060625), (250, 160711525), (325, 123624250), (625, 64284610), (650, 61812125), (1250, 32142305), (1625, 24724850), (3125, 12856922), (3250, 12362425), (6250, 6428461), (8125, 4944970), (16250, 2472485), (40625, 988994), (81250, 494497)]